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| author |   David Sterba <dsterba@suse.com> | 2018-07-10 18:15:05 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 17:51:49 +0100 |
| commit | cfbb825c76198c9095428c5f9362fbf6ae06f417 (patch) | |
| tree | 6f95f657cc268f4218e22e33e7b9a48f67927e1d /include/uapi/linux | |
| parent | btrfs: add support for 4-copy replication (raid1c4) (diff) | |
| download | linux-dev-cfbb825c76198c9095428c5f9362fbf6ae06f417.tar.xz linux-dev-cfbb825c76198c9095428c5f9362fbf6ae06f417.zip | |
btrfs: add incompat for raid1 with 3, 4 copies
The new raid1c3 and raid1c4 profiles are backward incompatible and the
name shall be 'raid1c34', the status can be found in the global
supported features in /sys/fs/btrfs/features or in the per-filesystem
directory.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index a2b761275bba..7a8bc8b920f5 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -270,6 +270,7 @@ struct btrfs_ioctl_fs_info_args { #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) #define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10) +#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11) struct btrfs_ioctl_feature_flags { __u64 compat_flags; |